Base | Representation |
---|---|
bin | 1010000110010… |
… | …0010101101001 |
3 | 2221200210210121 |
4 | 2201210111221 |
5 | 41320312100 |
6 | 4111443241 |
7 | 1023001060 |
oct | 241442551 |
9 | 87623717 |
10 | 42354025 |
11 | 219a922a |
12 | 12226521 |
13 | 8a0c16c |
14 | 58a71d7 |
15 | 3ab951a |
hex | 2864569 |
42354025 has 24 divisors (see below), whose sum is σ = 61496064. Its totient is φ = 28329600.
The previous prime is 42354023. The next prime is 42354031. The reversal of 42354025 is 52045324.
It is not a de Polignac number, because 42354025 - 21 = 42354023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (42354023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4224 + ... + 10126.
It is an arithmetic number, because the mean of its divisors is an integer number (2562336).
Almost surely, 242354025 is an apocalyptic number.
It is an amenable number.
42354025 is a deficient number, since it is larger than the sum of its proper divisors (19142039).
42354025 is a wasteful number, since it uses less digits than its factorization.
42354025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5961 (or 5956 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 42354025 is about 6507.9970036871. The cubic root of 42354025 is about 348.5766000356.
Adding to 42354025 its reverse (52045324), we get a palindrome (94399349).
The spelling of 42354025 in words is "forty-two million, three hundred fifty-four thousand, twenty-five".
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